HD 18143 b
Orbiting HD 18143
HD 18143 b is an exoplanet orbiting the star HD 18143, discovered in 2022 using the Radial Velocity method.
Minimum Mass (M sin i)
10.81
Earth masses
Orbital Period
10.3
days
Distance
22.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
10.81
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
10.285+0.002−0.003days
Semi-Major Axis
0.0880+0.0030−0.0040au
M sin(i) (Earth masses)
10.81+1.59−2.22
M sin(i) (Jupiter masses)
0.0340+0.0050−0.0070
Eccentricity
0.2240+0.1710−0.1220
Epoch of Periastron
2427146.01+8631.01−18205.99days(BJD)
Argument of Periastron
60.1+87.5−73.0deg
Radial Velocity Semi-Amplitude
3.61+0.56−0.66m/s
Distance from Earth
22.5 pc (~73 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
0.85 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
43.9140°, 26.8724°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 18143 b
HD 18143 b orbits HD 18143 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 10.81 Earth masses (M sin i) and an orbital period of 10.29 days.
Catalog data places the system at about 22.5 parsecs from Earth and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 18143More planets in this system